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© 2007 ICS, Blount Inc. F/N 71537 Oct 07
TITLE 613GC SERVICE MANUAL
76
26. FUEL SYSTEM LEAKS
26.5 Testing the fuel tank breather.
A Attach the pressure gauge and bulb
to the main fuel pick-up tube at the
carburetor. Pressurize the tube to 4.5
psi (0.3 bar).
B The pressure should reduce to nearly
0 psi (0 bar) over about 3 seconds.
26.6 If the pressure does not reduce to
0 psi, disassemble or replace the
breather.
A Clean the parts with solvent or fuel.
B Assemble in reverse order.
C Make sure that the spring taper is
oriented in the correct direction.